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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A147410 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
103
111
125
131
147
155
1613
1713
1843
1925
20193
2149
22641
23175
242061
25865

[1,1,1,1,1,1,1,1,1,3,1,5,1,7,5,13,13,43,25,193,49,
 641,175,2061,865]